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Finding the Third Proportional to 792,240 and 1,710,728

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Solution

The third proportional to 792,240 and 1,710,728 is: 3,694,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,240 : 1,710,728 = 1,710,728 : x
  2. Step 2: Convert to fraction form
    792,240/1,710,728 = 1,710,728/x
  3. Step 3: Cross multiply
    792,240x = 1,710,728 × 1,710,728
  4. Step 4: Simplify right side
    792,240x = 2,926,590,289,984
  5. Step 5: Solve for x
    x = 2,926,590,289,984/792,240
  6. Step 6: Final answer
    x = 3,694,070.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.